USB flash disk



FIG. 1 is a perspective view of a USB flash disk showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof wherein the plug is sliding out showing in an implementation condition.

The broken lines shown in the drawings are for the purpose of illustrating unclaimed portions of the USB flash disk and form no part of the claimed design. 

The ornamental design for a USB flash disk, as shown and described. 